Home / 72,610,488.14-100,199,550.31-39,570,027.86

Finding the Fourth Proportional to 72,610,488.14, 100,199,550.31 and 39,570,027.86

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Solution

The fourth proportional to 72,610,488.14, 100,199,550.31 and 39,570,027.86 is: 54,605,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,488.14 : 100,199,550.31 = 39,570,027.86 : x
  2. Step 2: Convert to fraction form
    72,610,488.14/100,199,550.31 = 39,570,027.86/x
  3. Step 3: Cross multiply
    72,610,488.14x = 100,199,550.31 × 39,570,027.86
  4. Step 4: Simplify right side
    72,610,488.14x = 3,964,898,996,726,248.50
  5. Step 5: Solve for x
    x = 3,964,898,996,726,248.50/72,610,488.14
  6. Step 6: Final answer
    x = 54,605,045.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.